//  Copyright Istio Authors
//
//  Licensed under the Apache License, Version 2.0 (the "License");
//  you may not use this file except in compliance with the License.
//  You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
//  Unless required by applicable law or agreed to in writing, software
//  distributed under the License is distributed on an "AS IS" BASIS,
//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//  See the License for the specific language governing permissions and
//  limitations under the License.

package resource

import (
	"fmt"
)

// ClusterIndex is the index of a cluster within the Environment
type ClusterIndex int

// Cluster in a multicluster environment.
type Cluster interface {
	fmt.Stringer

	// Index of this Cluster within the Environment
	Index() ClusterIndex

	// IsControlPlaneCluster indicates whether or not a control plane has/should have a control plane deployed.
	IsControlPlaneCluster() bool
}
